Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
March verdict
Mixed for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 5.6h per day, enough for a balanced month. Rainfall averages 347mm, so showers are a real planning factor.
Monthly averages
Temp
29°C
Rain
347mm
Sun
5.6h
Sea
30°C
Weather score
54
Mixed
Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 347mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.6h per day, enough for a balanced month.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Guadalcanal, Solomon Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
March29°C average high
March is close to Guadalcanal's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
March347mm average rain
March is one of Guadalcanal's wettest months, so rain is likely to be a major planning factor.
Driest monthsMay to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
March5.6 hours average sun
March is close to Guadalcanal's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsJanuary, March to June, and August to December
This stretch has the strongest sunshine in the monthly averages.
March30°C average sea
March is part of a consistently warm sea-temperature pattern, so swimming comfort changes little through the year.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
March54 weather score
March scores below Guadalcanal's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsMay to November
These months have the strongest weather score in the monthly averages.